Home / 104,237.12-143,499.30-99,476.48

Finding the Fourth Proportional to 104,237.12, 143,499.30 and 99,476.48

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Solution

The fourth proportional to 104,237.12, 143,499.30 and 99,476.48 is: 136,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,237.12 : 143,499.30 = 99,476.48 : x
  2. Step 2: Convert to fraction form
    104,237.12/143,499.30 = 99,476.48/x
  3. Step 3: Cross multiply
    104,237.12x = 143,499.30 × 99,476.48
  4. Step 4: Simplify right side
    104,237.12x = 14,274,805,246.46
  5. Step 5: Solve for x
    x = 14,274,805,246.46/104,237.12
  6. Step 6: Final answer
    x = 136,945.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.